Donor-recipient ABO blood group mismatching is associated with a decreased graft survival rate in liver transplantation. We have been unable to demonstrate an effect of high levels of panel reactive antibody or a positive donor-specific cytotoxic antibody cross-match on graft survival. A limited analysis of HLA-matching for the A, B, and DR loci suggests a paradoxical effect, but much more expe...

Yanofsky (1) originally proposed N-(5’-phosphoribosyl)anthranilic acid as the first intermediate after anthranilic acid in tryptophan biosynthesis in microorganisms. Evidence was subsequently found which suggested that this compound is formed enzymatically from anthranilic acid and ribosylpyrophosphate 5-phosphate (2, 3). Although the dephosphorylated form of PRA,’ N-ribosylanthranilic acid, ha...

BACKGROUND Sensitization to human leukocyte antigen (HLA) from red blood cell (RBC) transfusion is poorly quantified and is based on outdated, insensitive methods. The objective was to evaluate the effect of transfusion on the breadth, magnitude and specificity of HLA antibody formation using sensitive and specific methods. METHODS Transfusion, demographic and clinical data from the US Renal ...

This paper describes the use of a panel of seven monoclonal antibodies (selected so as to include reagents reactive with both epithelial and lymphoid cells) for distinguishing between anaplastic carcinoma and high grade lymphoma. Details are given of the immunohistological reactions of these antibodies against a wide range of both normal and malignant tissues and of a number of practical instan...

This patient presents a classic case of severe warm autoimmune hemolytic anemia (WAIHA). Criteria for that diagnosis include evidence of autoantibody directed against the RBCs as well as classic evidence of hemolysis. The former is evident in the form of a positive DAT due to IgG and complement coating of the RBCs. Reactivity with all cells in the antibody identification panel is typical of aut...

BACKGROUND Few options for transplantation currently exist for patients highly sensitized to HLA. This exploratory, open-label, phase 1-2, single-center study examined whether intravenous immune globulin plus rituximab could reduce anti-HLA antibody levels and improve transplantation rates. METHODS Between September 2005 and May 2007, a total of 20 highly sensitized patients (with a mean [+/-...

More than one-third of patients on waiting lists for kidney transplant are sensitized. Most have previously formed donor-specific and non-donor-specific serum antibodies and/or positive crossmatch by complement-dependent cytotoxity and/or flow cytometry. Two categories of alloantibodies include antibodies against major histocompatibility complex human leukocyte antigen class 1 and class 2 and a...